Garage
Shop

Rockford Fosgate Punch 401S

Product videos
highlight-star-icon

400 watts RMS x 1 bridged • variable high-pass/low-pass crossover • wired remote control of Punch Bass • preamp outputs

Learn more about the 401s

We apologize

This item has been discontinued

Product Highlights


400 watts RMS x 1 bridged • variable high-pass/low-pass crossover • wired remote control of Punch Bass • preamp outputs

Description


Rockford Fosgate brand icon

Authorized dealer

  • 100 watts RMS x 2 at 4 ohm
  • 200 watts RMS x 2 at 2 ohm
  • 400 watts RMS x 1 at 4 ohm in bridged mode
  • stereo or bridged mono output
  • 4-ohm stable in bridged mode
  • Tri-Way capable
  • requires 8-gauge power and ground leads — wiring and hardware not included with amplifier
  • 50-250 Hz high-pass/low-pass (12 dB/octave) crossovers
  • wired remote included for fingertip control of Punch Bass (0-18 dB boost at 45 Hz)
  • MOSFET power supply and output devices
  • MEHSA mounting technology increases the heat transfer from the MOSFET output devices to the heat sink, for higher power output, lower operating temperatures, and greater reliability
  • TOPAZ — noise-killing differential inputs that eliminate 80% of ground loop noise
  • Trans•ana circuitry keeps preamp voltages low and signal paths simple for outstanding audio quality
  • NOMAD — advanced protection circuitry for "intelligent" shutdown protection
  • speaker- and preamp-level inputs
  • 11-1/8"W x 2-3/8"H x 9-7/8"D
  • 1-year SonicElectronix.com warranty

Best selling similar products

ATOM-900.2 PRO small

Deaf Bonce Apocalypse ATOM-900.2 PRO

• 350 watts x 2 channel @ 4 ohm
• 510 watts x 2 channel @ 2 ohm
• 900 watts x 2 channel @ 1 ohm
• Bridged: 1020 watts x 1 channel @ 4 ohm
• 1000 watts @ 2 ohm
• Total RMS Power: 900 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

$229.90

List price $229.90

MFA 2.420 small

Deaf Bonce MFA 2.420

• 420 watts x 2 channel @ 4 ohm
• 630 watts x 2 channel @ 2 ohm
• Bridged: 1260 watts x 1 channel @ 4 ohm
• Total RMS Power: 1260 watts
• Class D 2 ohm Stable 2-Channel Amplifier

$229.90

List price $229.90

ATOM-700.2 PRO small

Deaf Bonce Apocalypse ATOM-700.2 PRO

• 230 watts x 2 channel @ 4 ohm
• 480 watts x 2 channel @ 2 ohm
• 700 watts x 2 channel @ 1 ohm
• Bridged: 960 watts x 1 channel @ 4 ohm
• 14000 watts @ 2 ohm
• Total RMS Power: 700 watts
• Class D 1 ohm Stable 2-Channel-Channel Amplifier

(1)

$199.90

List price $199.90

R2-200X2 small

Rockford Fosgate Prime R2 R2-200X2

• 50 watts x 2 channel @ 4 ohm
• 100 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 2-Channel Amplifier

(2)

$239.99

List price $239.99

VADM2 small

NVX VADM2 v2 (VADM2v2)

• 200 watts x 2 channel @ 4 ohm
• 300 watts x 2 channel @ 2 ohm
• Bridged: 600 watts x 1 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 2-Channel Amplifier

(17)

$199.99

List price $239.99

ION700.2D small

DS18 ION700.2D

• 240 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

$299.95

List price $359.99

MFA 2.520 small

Deaf Bonce Machete MFA 2.520

• 520 watts x 2 channel @ 4 ohm
• 750 watts x 2 channel @ 2 ohm
• Bridged: 1500 watts x 1 channel @ 4 ohm
• Total RMS Power: 1500 watts
• Class D 2 ohm Stable 2-Channel-Channel Amplifier

(2)

$239.90

List price $239.90

PBR300X2 small

Rockford Fosgate Punch PBR300X2

• 100 watts x 2 channel @ 4 ohm
• 150 watts x 2 channel @ 2 ohm
• Bridged: 300 watts x 1 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class BR 2 ohm Stable 2-Channel Amplifier

(22)

$249.99

List price $279.99

H400.2D small

Cerwin-Vega H400.2D

• 80 watts x 2 channel @ 4 ohm
• 125 watts x 2 channel @ 2 ohm
• Bridged: 290 watts x 1 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 1 ohm Stable 2-Channel Amplifier

$239.99

List price $287.99

NBA201 small

NVX NBA201

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class A/B 2 ohm Stable 2-Channel Amplifier

(11)

$99.99

List price $249.99

Item Details


Manufacturer:

Model Number:

401S

Weight:

12.00lbs

Internal SKU:

401s

Internal Product ID:

1387

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


Rockford Fosgate Punch 401S thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Great amp

I had this amp on 1 kicker cvr in my 96' galant and it banged hard. So hard i had to turn the bass all the way to -14 because it knocked my rearview mirror off my window (Factory Mirror). Great amp

By Machu on March 10, 2011

12 found this helpful



E1-3 small

Encore E1 Remote Car Starter Keyless Entry

Remote Car Starter with Keyless Entry, Two-Way DATA port, and ASK Long Range Technology

(5)

$39.99

List price $199.99

BT1018 small

Bazooka BT1018

200W Peak Loaded Single 10" Non-Amplified Ported Subwoofer Bass Tube Enclosure

(2)

$159.99

List price $199.99

99-8724B small

Metra 99-8724B

Single DIN and Double DIN Stereo Dash Kit for select 2005-2009 CLK-Class

(1)

$50.99

List price $56.99

SL150CB small

SOUL Electronics SL150CB (Black)

Dynamic SOUL Series Professional Stereo On-Ear Headphones w/ Music Control

(1)

$79.99

List price $249.99

L1/28 small

Philips Fidelio L1

Over-Ear Semi-Open High Fidelity Headphones Wired Stereo Headset w/ iPod/iPhone Remote & Microphone

(3)

$139.95

List price $299.95

PLG6.4 small

Pyle PLG6.4 (Speaker)

6-1/2" 4-Way Gear-X Series Coaxial Car Speakers

(1)

$32.99

List price $74.99

4202 small

Lava Lite 4202

17", 32 oz Designer Classic Lava Lamp w/ Yellow Wax, Blue Liquid, and Green Base

(2)

$20.99

List price $39.99

SWE-1243 small

Alpine SWE-1243

12" Single 4 ohm Type-E Series Car Subwoofer

(24)

$79.95

List price $149.99

1938 small

Lava Lite 1938

11.5", 12 oz Stardust Glitter Lava Lamp w/ Green Liquid, Sparkly Glitter and Silver Base

(1)

$13.99

List price $19.99

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.